Media Contributed by Rick

Contributor
RickStudent, Philosopher, Writer, Developer
Krypton gas discharge tube —
Photo Credit: By Pslawinski, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=381576
Krypton gas discharge tube
Xenon —
Photo Credit: (c) 2021 ShaneBow.com
Xenon
Krypton —
Photo Credit: (c) 2021 ShaneBow.com
Krypton
Neon —
Photo Credit: (c) 2021 ShaneBow.com
Neon
Morris William Travers —
Photo Credit: https://royalsocietypublishing.org/doi/pdf/10.1098/rsbm.1963.0016
Morris William Travers
The cleveite sample from which Ramsay first purified helium —
Photo Credit: By UCL Mathematical and Physical Sciences from London, UK - Clevite, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=61762600
The cleveite sample from which Ramsay first purified helium
Pierre Jules César Janssen —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=61756098
Pierre Jules César Janssen
Helium —
Photo Credit: (c) 2021 alasnome.com
Helium
Norman Lockyer —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=37006494
Norman Lockyer
Main entrance at South Kensington
Imperial College London — Main entrance at South Kensington
Photo Credit: By Robin Webster, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=85241730
Imperial College London Main entrance at South Kensington
shield of Imperial College London —
Photo Credit: Imperial College London.svg (by Eusebius). CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=88718905
shield of Imperial College London
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